And the incident will be the first major test for the new Integrity Unit, set up in the wake of the John Higgins affair last year.

Former world champion Murphy said: 'It's important that the sport is seen to be clean and these things are dealt with quickly. My only criticism has been the speed at which these things have progressed.'

Campbell, 38, said: 'This put a bit of a dampener on the win.' Michie, 39, added: 'It's bull****. I have done nothing wrong.'